September weather forecastValavanur, India
September
Weather in September
September, the last month of the rainy (monsoon) season in Valavanur, is another hot month, with temperature in the range of an average high of 34.5°C (94.1°F) and an average low of 25.5°C (77.9°F).Temperature
September notes an average high-temperature of a hot 34.5°C (94.1°F), subtly differing from August's 35.3°C (95.5°F). Throughout September, Valavanur registers a consistent average low-temperature of 25.5°C (77.9°F).Heat index
The heat index value for September is computed to be a life-threatening hot 47°C (116.6°F). Be on the lookout: Heat cramps and heat exhaustion are anticipated. Continued exertion can result in heatstroke.It is emphasized that the heat index's values are meant for shaded zones with mild winds. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
The body's self-cooling mechanism is rooted in perspiration, where evaporating sweat cools down excessive warmth. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.
Humidity
In Valavanur, the average relative humidity in September is 67%.Rainfall
In Valavanur, in September, during 19.9 rainfall days, 70mm (2.76") of precipitation is typically accumulated. In Valavanur, India, during the entire year, the rain falls for 153.8 days and collects up to 551mm (21.69") of precipitation.Daylight
In Valavanur, the average length of the day in September is 12h and 11min.On the first day of September in Valavanur, sunrise is at 6:01 am and sunset at 6:21 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 6:02 pm IST.
Sunshine
The average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 7 during September translates into these guidelines:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Valavanur, India
- Average high temperature in September: 34.5°C
The warmest month (with the highest average high temperature) is May (39.6°C).
The month with the lowest average high temperature is December (29.1°C).
- Average low temperature in September: 25.5°C
The month with the highest average low temperature is May (28.8°C).
The coldest month (with the lowest average low temperature) is January (20.1°C).
Average pressure in September
Valavanur, India
- Average pressure in September: 1007.3mbar
The month with the highest atmospheric pressure is January (1013.7mbar).
The month with the lowest atmospheric pressure is June (1005mbar).
Average wind speed in September
Valavanur, India
- Average wind speed in September: 9.6km/h
The windiest months (with the highest average wind speed) are June and December (14.1km/h).
The calmest months (with the lowest average wind speed) are September and October (9.6km/h).
Average humidity in September
Valavanur, India
- Average humidity in September: 67%
The month with the highest relative humidity is November (78%).
The month with the lowest relative humidity is June (50%).
Average rainfall in September
Valavanur, India
- Average rainfall in September: 70mm
The wettest month (with the highest rainfall) is October (105mm).
The driest month (with the least rainfall) is February (5mm).
Average rainfall days in September
Valavanur, India
- Average rainfall days in September: 19.9 days
The month with the highest number of rainy days is October (21.2 days).
The month with the least rainy days is February (3.7 days).
Average daylight in September /
Average sunshine in September
Valavanur, India
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 24min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is May (Average sunshine: 11h and 36min).
The months with the least sunshine are November and December (Average sunshine: 5h and 36min).
Average sunshine days in September
Valavanur, India
- Average sunshine days in September: 8 days
The month with the most sunshine days is March (24.4 days).
The months with the least sunshine days are September and October (8 days).
Average UV index in September
Valavanur, India
- Average UV index in September: 7
The months with the highest UV index are April, May, June and July (UV index 8).
The months with the lowest UV index are January, October, November and December (UV index 6).
Average cloud cover in September
Valavanur, India
- Average cloud cover in September: 39
The month with the most cloud cover is November (Cloud cover 42).
The months with the least cloud cover are March and April (Cloud cover 16).
Average visibility in September
Valavanur, India
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (10km).
The months with the lowest visibility are January and November (9km).
